A simple term for "translation", the change of position of an entity typically on the route of going from point A to point B.

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0
votes
1answer
287 views

Player movement behind objects

I was playing around on RPG JS and Browser Quest, and the player, when moving, can give the effect of walking behind the trees or houses etc, so the player effectively disappears while it is "behind" ...
2
votes
2answers
833 views

Non-physics character movement in a Box2d Environment

I am in the process of creating a physics platformer. However, I want the player movement to feel very old-school(as in: non-physics like), which means that the character: Should always move equally ...
0
votes
2answers
867 views

How to make a smooth movement in XNA?

I'm trying to make a nice controls for my game, but I can't achieve enough SMOOTHNESS. if (kbState.GetPressedKeys().Length != 0 && _direction != Vector2.Zero) { ...
2
votes
1answer
1k views

Stopping on a slope in Box2d

I am creating a simple platformer using Box2d. I've implemented a variant of the technique described here. To make the player character move more 'platformer-like' I want him to stop on (shallow) ...
2
votes
2answers
455 views

How to get the height at a position in a triangle

I have a heightmap, and I store the heights in a giant array. However, when I move, it's quite choppy on the Y-axis, so I need a way to get the height at a certain point in a triangle. I currently ...
1
vote
2answers
335 views

Make a 2D character stop moving and going back when encounter an obstacle

I am using a 2d character who is sliding infinite ( huge incrementation of the X or Y value ) when moving. He can only move up, down, left, right inside a virtual grid, made of multiple squares. Now ...
6
votes
1answer
270 views

Swaying Camera when Walking

You can see the effect in many games. The camera sways or wiggles a bit while walking to make the movement feel more realistic. I have implemented a camera in my game. (Who'd have thunk it?) So is ...
1
vote
3answers
521 views

Moving a 2D character on a straight line

I am trying to create an Android Game and I am facing my first big problem. After reading blogs, tutos ... I am able to easily move a character with a drag and drop, make it move move to a touched ...
2
votes
1answer
315 views

How to handle slopes/bridges in a 2d grid turn based strategy game [duplicate]

I was wondering about the following: In a 2D turn-based strategy game (using some grid(i.e. tiles, isometric hexagons) as movement), what techniques do they use to determine where a character moves ...
6
votes
4answers
433 views

Implementing AI to hide behind obstacles

I am developing an AI simulation of predator and prey. I would like to simulate the AI hiding behind obstacles, if it is being chased. But I am still trying to figure out the best way to implement ...
1
vote
2answers
1k views

Moving player in Box2d without forces

How do I move player with keyboard without applying forces? If I do playerBody.setLinearVelocity(new B2Vec2(0, 2)) it moves the player but when I release the key for movement, the ball is continuously ...
1
vote
1answer
433 views

How do I make camera follow the player within some bounds?

I am creating a simple ambient/explorer platformer. Because I want the player to only be able to see a new area once they have reached it, I decided to split up the world in rooms. To not make things ...
1
vote
2answers
220 views

Basic plane kinematics

I never did physics in my life and this is really hard for me. I am currently trying to implement movement in the X and Y axis of a plane, in a video game I am making. What I want to do is, given a ...
8
votes
2answers
378 views

How to handle entity path-finding and movement in a large networked world?

Considering the image above with tiles split into 32x32 boxes, I have an entity which is marked to 'aggro' nearby players that come close to it. I'd like this monster to ideally chase the player (and ...
-5
votes
2answers
512 views

A* mouse movement javascript top-down game

Im trying to implement a* path finding for my character movement in my game. The game is written in javaScript along with jQuery in a canvas. I have read up on A* so i believe i understand what it ...
6
votes
2answers
433 views

Simulate movement towards the screen in a 2D world

I need to create the illusion of someone kicking a ball to the screen. For that, I have a initial position of the ball (about the middle of the screen), and I put the sprite of the ball scaled at 0.2 ...
1
vote
1answer
127 views

Blender 2.6: Move Mesh to X Coordinate of Another Mesh

An example: There are two planes A and B with the following median points: ( X | Y | Z ) M_A ( 3 | 2 | 2 ) M_B ( 6 | 1 | 1 ) Now I want to move the plane A on the X-axis to the X coordinate ...
0
votes
1answer
653 views

XNA - move camera over tilemap

I am trying to build a game based on Advance Wars in XNA. I am so far where the tiles are placed on the screen, except here starts my problem. During the game, I ofcourse want to move the camera ...
-1
votes
1answer
192 views

simple escape algorithm: enemy escapes when hero approches

I need some clues on a "escape" algorithm. My scene a 2D rectangle (0,0,1000,1000) I have enemy sprites on this scene. They are immobile until distance from hero <100. If distance<100, enemy ...
0
votes
1answer
241 views

Player sprite moving slower on iPhone 4

I just finished getting movement/jump animation for a player sprite in Xcode using Cocos2D. The basic movement algorithm is a timer that updates every 0.01 sec, changing the sprite position to ...
0
votes
2answers
163 views

I would need an idea on how to animate a player in a board game that is top-down and 2D?

I'm planing a 2D board game and I cannot figure out how to make the animation of the player from tile to tile. Note that tiles are not in a grid, they are flexible (x, y) points in the map. The ways ...
2
votes
3answers
579 views

Movement in RPG

I want to make an RPG game in which I move tile by tile. So when I hit up, the tile row that I am on decreases by one for example. Also, it's supposed to be a slow movement so that I can see the ...
9
votes
2answers
218 views

Interpolating between two networked states?

I have many entities on the client side that are simulated (their velocities are added to their positions on a per frame basis) and I let them dead reckon themselves. They send updates about where ...
1
vote
1answer
994 views

Moving sprites on a graph in libGDX

In my game I'd like to move sprites on a fixed path. Until this point I was trying to stick with the tools already provided by libGDX, like the Tiled map renderer classes so I'm looking for a solution ...
13
votes
6answers
2k views

How to build a “traffic AI”?

A project I am working on right now features a lot of "traffic" in the sense of cars moving along roads, aircraft moving aroun an apron etc. As of now the available paths are precalculated, so nodes ...
0
votes
1answer
215 views

Rotate/Translate object in local space

I am just trying to create a movementcontroller class for game entities. These class should transform the entity affected by the mouse and keyboard input. I am able to calculate the changed rotation ...
0
votes
1answer
121 views

enemy behavior with boundary to change direction

I'm doing space shooter kind of game, the logic is to reflect the enemy if it hits the boundary. With my logic, sometimes enemy behaves like flickering instead of changing the velocity. It's like ...
17
votes
2answers
1k views

Eight or infinity sign trajectory

When I want to move object around point I do: point.x *= cosf(timer.timeElapsed); point.y *= sinf(timer.timeElapsed); How to make point move on eight or infinity sign trajectory?
2
votes
1answer
527 views

Pygame Tile Based Character movement speed

Thanks for taking the time to read this. Right now I'm making a really basic tile based game. The map is a large amount of 16x16 tiles, and the character image is 16x16 as well. My character has its ...
3
votes
1answer
287 views

Moving the jBullet collision body to with the player object

I am trying to update the location of the rigid body for a player class, as my player moves around I would like the collision body to also move with the player object (currently represented as a ...
-2
votes
1answer
358 views

C# XNA 2D Multiple boxes collision detection and movement

Hi, I've been making simple game where you shoot boxes that are coming towards you. All game objects are simple rectangles. Now I have problem with collision detection; how to check where the ...
3
votes
1answer
345 views

Scaling sprite velocity / co-ordinatesin Android

I'm trying to find the answer to a question that I've had for a long time, but am having trouble finding it! I hope someone can help :-) I'm trying to find information on how to scale sprite velocity ...
1
vote
1answer
503 views

default xna 4.0 gametime don´t works well for 2D physics

I am developing a game using Visual Studio 2010 and XNA 4.0, after advancing to some extent with the project (a platform based 2d platformer msdn starter kit) I got to test it on different computers ...
2
votes
2answers
222 views

What sort of data should be sent for mouse-based movement in a multiplayer game?

I'm new to the Multiplayer Rodeo here so please bear with me... I am just getting started and I'm trying to figure out how to deal with movement. I've looked at the question Best way to implement ...
0
votes
2answers
275 views

XNA move from start position to target position exactly in 3D

If I have a list of positions that map out a path a character should follow. What would be the best way to move at a constant speed to each position making sure the character lands exactly at each ...
10
votes
2answers
579 views

How to limit click'n'drag movement to an area?

I apologize for the somewhat generic title. I'm really don't have much clue about how to accomplish what I'm trying to do, which is making it harder even to research a possible solution. I'm trying ...
4
votes
4answers
488 views

Can a high FPS negatively affect how a program runs?

Yeah I know this is a broad question and will get down rated, I'm just hoping for some answer before it gets closed. Anyway, I'm using Slick 2D/Java to play around with graphics. I'm having some ...
5
votes
5answers
988 views

How do I implement deceleration for the player character?

Using delta time with addition and subtraction is easy. player.speed += 100 * dt However, multiplication and division complicate things a bit. For example, let's say I want the player to double his ...
1
vote
1answer
536 views

Handling player/background movements in 2D games

Suppose you have your animated character controlled by the player and a 2D world (like the old 2D side-scrolling games). When the user presses right on the keyboard, the background is moved to the ...
3
votes
2answers
1k views

How do you set the movement speed of a sprite?

I'm using Slick 2D/Java to play around with graphics. Getting an image to move is easy: Input input = gc.getInput(); if(input.isKeyDown(sprite.up)){ sprite.y--; }else if ...
5
votes
1answer
1k views

How to implement curved movement while tracking the appropriate angle?

I'm currently coding a 2D top-down car game which will be turn-based. And since it's turn-based, the cars won't be controlled directly (i.e. with a simple velocity vector that adjusts its angle when ...
1
vote
1answer
413 views

How to I get a rotated sprite to move left or right?

Using Java/Slick 2D, I'm using the mouse to rotate a sprite on the screen and the directional keys (in this case, WASD) to move the spite. Forwards and backwards is easy, just position += ...
7
votes
2answers
4k views

Free movement in a tile-based isometric game

Is there a reasonable easy way to implement free movement in a tile-based isometric game? Meaning that the player wouldn't just instantly jump from one tile to another or not be "snapped" to the grid ...
1
vote
1answer
735 views

openGL ES - change the render mode from RENDERMODE_WHEN_DIRTY to RENDERMODE_CONTINUOUSLY on touch [closed]

i want to change the rendermode from RENDERMODE_WHEN_DIRTY to RENDERMODE_CONTINUOUSLY when i touch the screen. WHAT i Need : Initially the object should be stationary. after touching the screen, it ...
0
votes
2answers
539 views

Can't get sprite to rotate correctly? [closed]

I'm attempting to play with graphics using Java/Slick 2d. I'm trying to get my sprite to rotate to wherever the mouse is on the screen and then move accordingly. I figured the best way to do this was ...
1
vote
2answers
237 views

Matrix camera, movement concept

Someone told me that the movement concept in my 2D game is bad. When left or right arrow is pressed I'm scrolling the background which makes you feel that player avatar is moving (the avatar's ...
8
votes
5answers
1k views

returning correct multiTouch id

I've spent countless hours on reading tutorials and looking at every question related to multiTouch from here and Stackoverflow. But I just cannot figure out how to do this correctly. I use a loop to ...
1
vote
2answers
463 views

Circular movement - eliminating speed ups near Y = 0

I have a basic algorithm to rotate an enemy around a 200 unit radius circle with center 0. This is how I'm achieving that: if (position.Y <= 0 && position.X > -200) { position.X -= ...
3
votes
1answer
231 views

Achieving more fluent movement

I'm working on my first OpenGL 2D game and I've just locked the framerate of my game. However, the way objects move is far from satisfying: they tend to lag, which is shown in this video. I've thought ...
1
vote
1answer
1k views

Acceleration Based Player Movement

Ok, so I am making a first person shooter game and I am currently working on movement that looks and feels good. I want to incorporate acceleration based movement for the player so that he has to ...